Portable Vacuum Packing Machine USB Rechargeable Automatic Handheld Mini Vacuum Food Sealer with LED function

Specification: 1. DC 3.7V2. Chargable lithium battery: 800mAH3. Charging time: 2 hours, discharge time：LED is 36 hours, motor is 50 munites.4. Use for bags with air valve, most traveling bags and so on.5. With LED lighting function6. Negative Pressure: -50 KPA7.When the bags is vacuumed completely, it will stop automitically     How to use     1 Set inlcude: 1pcs portable mini vacuum sealer +  1pcsX vacuum adapter + 1pcsXUSB cable  + Seal bags: 26*34cm X 3pcs + Seal bags: 22*28cm  2pcs +seal tool X 1pcs